#1A3E83#1A3E83

#1A3E83 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.0% C 0.124 H 261.8°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX#1A3E83
RGBrgb(26, 62, 131)
HSLhsl(219, 67%, 31%)
HSVhsv(219, 80%, 51%)
CMYKcmyk(80.2%, 52.7%, 0%, 48.6%)
CIE-LABlab(27.58, 13.90, -42.51)
CIE-LCHlch(27.58, 44.72, 288.11°)
OKLaboklab(38.04% -0.0177 -0.1224)
OKLCHoklch(38.04% 0.124 261.8)
XYZxyz(6.2439, 5.3028, 22.1628)
Luminance0.0530 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1A3E83 #835F1A
analogous
#1A7283 #1A3E83 #2B1A83
triadic
#1A3E83 #831A3E #3E831A
tetradic
#1A3E83 #831A72 #835F1A #1A832B
square
#1A3E83 #831A72 #835F1A #1A832B
split-complementary
#1A3E83 #832B1A #72831A
monochromatic
#060E1D #102650 #1A3E83 #2456B6 #3F73D9

Accessibility & contrast

On white

10.19
#1A3E83 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#1A3E83 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A3E83
10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1A3E83#FFFFFF#000000##FFFFFF
##1A3E831.0010.192.0610.19
#FFFFFF10.191.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#114685
Deuteranopia (green-blind)
#003D82
Tritanopia (blue-blind)
#004F5A
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #1a3e83;
/* rgb */ color: rgb(26, 62, 131);
/* oklch */ color: oklch(38.0% 0.124 261.8);
Tailwind
colors: {
  custom: {
    50: '#6872a8',
    500: '#1a3e83',
    950: '#000000',
  },
}
SCSS
$custom: #1a3e83;
$custom-light: #6872a8;
$custom-dark: #000000;
JSON
{
  "hex": "#1a3e83",
  "rgb": {
    "r": 26,
    "g": 62,
    "b": 131
  },
  "hsl": {
    "h": 219.429,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3804,
    "c": 0.12364,
    "h": 261.8
  },
  "luminance": 0.05304
}

Semantic roles & 50–950 ramp

primary
#1A3E83
secondary
#B78F42
accent
#AF3EEA
background
#F6F6FA
surface
#ECECF4
border
#C7C7CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #1A3E83

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#1A3E83 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva